Consider Solder Spheres
Spheres are a great solder form for prototype work. (Pictured here are a range of sphere sizes, BGA size compared to flip chip size.) Solder spheres...
Indium Corporation®'s Blog
I Make House Calls
If you need me to troubleshoot your ball attach process, PoP process, flip-chip assembly process, or die-attach process, I’d be happy to come an...
Flip Chip Epoxy Flux
Just in case you haven’t heard of epoxy flux yet, let me fill you in. Epoxy flux is what I call a “super no-clean” flux. A no-c...
Design Options for Metal Thermal Interface Materials in LEDs
With the Strategies in Light show just behind us, I thought it a good time to discuss a little further the use of metal thermal interface materials......
Indium Corporation Wall Chart
Do you have a 2’ x 3’ area on the wall of your office or cubical for the latest new and improved Indium Corporation Wall Chart? a......
Solder Mask Controls Interconnects
The shape of your solder joint below a flip-chip or BGA is controlled by the surface tension of the alloy, the activity of flux used, the tension or c...
What to Expect When Stencil Printing Flux
Stencil printing flux is easy if you know what to expect before attempting it. It is easier than stencil printing solder paste in most common apertur...
How We Fell In Love
Okay, I’ll be honest – I think it’s pretty cheesy to write an entry on Valentines Day regarding my passion for the industry. I will,...
Why Thin-Film Solar Cells are Here to Stay
Apart from independence from silicon, thin-film solar cells have several advantages. On perfect day and perfect conditions crystalline silicon solar c...
Ball Attach Surface Finishes
Just incase you were wondering, here are the wetting results you can expect when soldering Pb-free spheres to different surface finishes. The chart sh...
Soldering Basics
A couple of my colleagues, Jim Hisert and Andy Mackie recently published an article about the use of solders in chip packaging. The article begins wit...
Variables in Testing
It’s easy to have a test matrix escalate into a black hole of time, effort, and money (gulp!). Here are a few tricks to become more efficient at...